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685074 = 23138783
BaseRepresentation
bin10100111010000010010
31021210202010
42213100102
5133410244
622403350
75552205
oct2472022
91253663
10685074
11428785
12290556
131aca90
1413b93c
15d7eb9
hexa7412

685074 has 16 divisors (see below), whose sum is σ = 1475712. Its totient is φ = 210768.

The previous prime is 685073. The next prime is 685081. The reversal of 685074 is 470586.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (685073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4314 + ... + 4469.

It is an arithmetic number, because the mean of its divisors is an integer number (92232).

2685074 is an apocalyptic number.

685074 is an abundant number, since it is smaller than the sum of its proper divisors (790638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

685074 is a wasteful number, since it uses less digits than its factorization.

685074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8801.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 685074 is about 827.6919716900. The cubic root of 685074 is about 88.1547723961.

The spelling of 685074 in words is "six hundred eighty-five thousand, seventy-four".

Divisors: 1 2 3 6 13 26 39 78 8783 17566 26349 52698 114179 228358 342537 685074